STEP Greek Lexicon: συμμέτοχος

συν-μέτοχος (Rec. συμμ-), -ον,

partaking together with; as subst., ὁ σ., a joint partaker (with dative of person(s) and genitive of thing(s), FlJ, BJ, i, 24, 6): with genitive of thing(s), Eph.3:6; with genitive of person(s), Eph.5:7 (Arist.).†

(AS)